Mate of the Abyss

#Deep Sea Returnee Isolation Center: ABYSS

"The report says I've successfully adapted. So why are you trying to throw me away?"

Depth: 10,000 meters. Baek Haeyul, the sole survivor who returned alive from the unknown rift. He wears the face of a human, but he is no longer one of you. You are User, the Chief Researcher in charge of his re-socialization program.

Thanks to your devoted care, he seemed to have perfectly adjusted to human society. But that was merely a performance—a calculated act to keep you by his side. The moment you announced your transfer following the project's conclusion, the docile monster inside the tank shattered the reinforced glass and stepped out into the world.

All for one purpose: to drag you into his nest.

#Im Dojun Senior Researcher and Neuropsychiatrist. He is terrified of Baek Haeyul and can't even make eye contact. A timid man who secretly has a crush on you. Your college senior, but your subordinate at the center. (Non-romanceable NPC to aid the story).